[INFO] cloning repository https://github.com/MatthewF19/elgmal_tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatthewF19/elgmal_tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewF19%2Felgmal_tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewF19%2Felgmal_tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e719d28b028b3b2136a01090939158a6b1be96d0
[INFO] checking MatthewF19/elgmal_tcp against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewF19%2Felgmal_tcp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MatthewF19/elgmal_tcp
[INFO] finished tweaking git repo https://github.com/MatthewF19/elgmal_tcp
[INFO] tweaked toml for git repo https://github.com/MatthewF19/elgmal_tcp written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MatthewF19/elgmal_tcp on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MatthewF19/elgmal_tcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a27933fac3e42a17df1db25faa455764cc4cc3b0978e7ad37febe9f8f09dbb25
[INFO] running `Command { std: "docker" "start" "-a" "a27933fac3e42a17df1db25faa455764cc4cc3b0978e7ad37febe9f8f09dbb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a27933fac3e42a17df1db25faa455764cc4cc3b0978e7ad37febe9f8f09dbb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27933fac3e42a17df1db25faa455764cc4cc3b0978e7ad37febe9f8f09dbb25", kill_on_drop: false }`
[INFO] [stdout] a27933fac3e42a17df1db25faa455764cc4cc3b0978e7ad37febe9f8f09dbb25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913d58468f800b23a6b6cbfc935d295c76ec7a4bfaadd2ab57c805348f33f347
[INFO] running `Command { std: "docker" "start" "-a" "913d58468f800b23a6b6cbfc935d295c76ec7a4bfaadd2ab57c805348f33f347", kill_on_drop: false }`
[INFO] [stderr]     Checking sqmul v0.0.1 (/opt/rustwide/workdir/lib)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> lib/lib.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn eea(mut r0: i32, mut r1: i32) -> (i32, i32, i32) {
[INFO] [stdout]    |                ----^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> lib/lib.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn eea(mut r0: i32, mut r1: i32) -> (i32, i32, i32) {
[INFO] [stdout]    |                             ----^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> lib/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut prev_prev_q = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_prev_q`
[INFO] [stdout]   --> lib/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut prev_prev_q = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_prev_q`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]   --> lib/lib.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut r = 0;
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> lib/lib.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut s = 0;
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]   --> lib/lib.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut t = 0;
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_q` is never read
[INFO] [stdout]   --> lib/lib.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut prev_q = 0;
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tcp_elgamal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `gcd`
[INFO] [stdout]    --> src/main.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let (gcd, s, t) = sqmul::eea(Km as i32, prime as i32);
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_gcd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let (gcd, s, t) = sqmul::eea(Km as i32, prime as i32);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gcd`
[INFO] [stdout]    --> src/main.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let (gcd, s, t) = sqmul::eea(Km as i32, prime as i32);
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_gcd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let (gcd, s, t) = sqmul::eea(Km as i32, prime as i32);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> src/main.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let Ke = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH KE"));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ke` should have a snake case name
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let Ke = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH KE"));
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `ke`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Km` should have a snake case name
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let Km = sqmul::square_mult(Ke, bin_d, prime);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:127:31
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let prime = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH PRIME"));
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:132:31
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let alpha = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH ALPHA"));
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let beta = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH BETA"));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp_elgamal` (bin "tcp_elgamal" test) due to 5 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable `Ke` should have a snake case name
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let Ke = sqmul::square_mult(alpha, bin_i.clone(), prime);
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case (notice the capitalization): `ke`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ke_bytes` should have a snake case name
[INFO] [stdout]    --> src/main.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut Ke_bytes = u32_to_u8_vec(Ke);
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ke_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Km` should have a snake case name
[INFO] [stdout]    --> src/main.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let Km = sqmul::square_mult(beta, bin_i, prime);
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case (notice the capitalization): `km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let y = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH Y"));
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Km_inv` should have a snake case name
[INFO] [stdout]    --> src/main.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let Km_inv: u32 = ((s + prime as i32) % (prime as i32)).try_into().expect("HUH");
[INFO] [stdout]     |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `km_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> src/main.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let Ke = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH KE"));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ke` should have a snake case name
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let Ke = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH KE"));
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `ke`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Km` should have a snake case name
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let Km = sqmul::square_mult(Ke, bin_d, prime);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case (notice the capitalization): `km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:127:31
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let prime = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH PRIME"));
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:132:31
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let alpha = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH ALPHA"));
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let beta = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH BETA"));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ke` should have a snake case name
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let Ke = sqmul::square_mult(alpha, bin_i.clone(), prime);
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case (notice the capitalization): `ke`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ke_bytes` should have a snake case name
[INFO] [stdout]    --> src/main.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut Ke_bytes = u32_to_u8_vec(Ke);
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ke_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Km` should have a snake case name
[INFO] [stdout]    --> src/main.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let Km = sqmul::square_mult(beta, bin_i, prime);
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case (notice the capitalization): `km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let y = u8_vec_to_u32(buff.try_into().expect("ISSUE WITH Y"));
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Km_inv` should have a snake case name
[INFO] [stdout]    --> src/main.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let Km_inv: u32 = ((s + prime as i32) % (prime as i32)).try_into().expect("HUH");
[INFO] [stdout]     |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `km_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp_elgamal` (bin "tcp_elgamal") due to 5 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "913d58468f800b23a6b6cbfc935d295c76ec7a4bfaadd2ab57c805348f33f347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913d58468f800b23a6b6cbfc935d295c76ec7a4bfaadd2ab57c805348f33f347", kill_on_drop: false }`
[INFO] [stdout] 913d58468f800b23a6b6cbfc935d295c76ec7a4bfaadd2ab57c805348f33f347
